TWM579683U - Large-capacity vacuum controlling device - Google Patents

Abstract

The utility model relates to a large-capacity vacuum control device, which has a control air chamber in the body, can be used for a vacuum to generate a two-position two-position valve and a vacuum destruction two-position two-position valve, wherein the control air chamber is connected to the outside of the body. a vacuum generating solenoid valve and a vacuum breaking solenoid valve, and a gas pressure source is connected to the control chamber to an inlet chamber in the body, and a suction port and a vacuum pressure switch are connected to the first-class channel in the body. Stopping the valve to a suction chamber, the side wall of the inlet chamber is provided with a vacuum generator through a suction chamber and an exhaust chamber, and the exhaust chamber is further provided with a muffler to form a discharge port, and the vacuum generator is connected in parallel In addition to increasing the flow rate of the suction port, the vacuum generating solenoid valve and the vacuum breaking solenoid valve are respectively used to control the occurrence and destruction of the vacuum, thereby obtaining the effect of vacuum energy saving, so that the suction port can absorb the workpiece without a large amount of time. By inputting compressed air, it can also maintain a certain time for the corresponding action.

Description

Large capacity vacuum control unit

This creation is about a large-capacity vacuum control device. The inside of the main body is connected to the two vacuum generators in parallel to increase the flow rate of the suction port. The vacuum generating solenoid valve and the vacuum breaking solenoid valve are also arranged to enable separate control. The state of vacuum generation and vacuum destruction.

In the current development of industrial automation, pneumatic vacuum technology has been widely used in various production lines, as shown in Figure 14, the conventional vacuum generator (90) can be seen as a pressure source (91), a suction port (92) And a row of outlets (93), the internal structure of which is relatively simple, and the operation is performed by the compressed air passing through the discharge port (93) through the air source (91) for exhausting, and the suction port is made by the suction action ( 92) generating the effect of vacuum adsorption, thereby achieving the purpose of adsorbing the workpiece;

The vacuum generator (90) is a jet type vacuum generator (90) which generates a certain degree of vacuum through a nozzle (94) provided in the air pressure source (91) through compressed air. According to its working principle, it can only The ultimate vacuum is achieved at higher supply pressures, and the gas consumption is very large, which is not conducive to the energy saving of the pneumatic system;

Therefore, the subsequent vacuum generator (90) generally develops a high vacuum type and a high suction flow type, the former having a large slope and the latter being flat. However, in the case where the diameter of the nozzle (94) is constant, in order to obtain a high vacuum, the suction flow rate is inevitably lowered, and in order to obtain a large suction flow rate, the pressure at the suction port is inevitably increased; or the design may be increased and expanded. The pressure tube method, in parallel with two three-stage diffuser tube vacuum generators, can double the suction flow rate, but also double the consumption of compressed air;

Therefore, from the above-mentioned shortcomings of the current vacuum generator, various problems in practical use can be known, and in view of this, the creator will maintain vacuum suction and reduce the consumption of compressed air through careful planning and design. Features Integration Redesigned a large-capacity vacuum control unit to improve various problems with conventional structures.

One of the main purposes of this creation is to provide a large-capacity vacuum control device that increases the flow rate of the suction port and can independently generate vacuum and damage by a vacuum generating solenoid valve and a vacuum breaking solenoid valve;

In order to achieve the above object, a large-capacity vacuum control valve of the present invention comprises: a body having a control chamber, which can be used for a vacuum to generate a two-position two-position valve and a vacuum destruction two-position two-position valve setting. And the control air chamber is connected to a vacuum generating electromagnetic valve and a vacuum breaking electromagnetic valve disposed outside the body, and an air pressure source is connected to the air control chamber to an air inlet chamber in the body, and a suction port and a vacuum pressure The switch is connected to the first-class channel in the body to cooperate with a check valve to a suction chamber, the side wall of the air inlet chamber is provided with two vacuum generators through a suction chamber and an exhaust chamber, and the exhaust chamber is further provided with a The muffler forms a row of outlets, and the vacuum generator is connected in parallel to increase the flow rate of the suction port, and the vacuum generating solenoid valve and the vacuum breaking solenoid valve respectively control the occurrence and destruction of the vacuum.

For another purpose of the present invention, the body further has a vacuum filter disposed at the junction of the suction port and the body for vacuum filtration.

In general, based on this creation, the best possible embodiment, together with the drawings and detailed description, will increase the understanding of the creation;

First, please refer to Figure 1 to Figure 5, which is a large-capacity vacuum control device. The structure includes: a body (10) having a control chamber inside (10) 11), the control air chamber (11) is mainly used for a vacuum generating two-position two-position valve (21) and a vacuum destruction two-position two-position valve (31), and the control air chamber (11) is connected to the body (10) An externally disposed vacuum generating solenoid valve (20) and a vacuum breaking solenoid valve (30), as seen in Fig. 1, the vacuum generating solenoid valve (20) and the vacuum breaking solenoid valve (30) are transverse Side by side setting;

In addition, in the second to fourth figures, please also look at the AA section, the BB section, and the CC section of Fig. 1, and it can be seen that an air pressure source (12) is disposed on the left side of the body (10), and the air pressure source (12) Connecting the air control chamber (11) to an air inlet chamber (50) in the body (10), and a suction port (13) is disposed above the body (10), and the suction port (13) and the The vacuum pressure switch (40) is connected to the first-class channel (15) in the body (10), and the vacuum pressure switch (40) is mainly used for detecting the degree of vacuum in the flow channel (15), thereby generating a vacuum signal. (41), the vacuum signal (41) is coupled with the external wire to the vacuum generating solenoid valve (20) and the vacuum breaking solenoid valve (30), and the flow channel (15) is coupled with a check valve ( 151) to a suction chamber (51), the check valve (151) is set in two settings in the present creation, the number of which is not limited;

The sidewall of the inlet chamber (50) is further provided with a vacuum generator (60) extending through an air suction chamber (51) and an exhaust chamber (52), and the exhaust chamber (52) is further provided with a silencer ( 521) forming a row of outlets (14), wherein the aforementioned inlet chamber (50), suction chamber (51), and exhaust chamber (52) are disposed under the body (10), by means of the vacuum generator (60) using a parallel connection to increase the flow rate of the suction port (13), and using the vacuum generating solenoid valve (20) and the vacuum breaking solenoid valve (30) to separately control vacuum generation and destruction, and the suction port (13) A vacuum filter (131) is further provided at the joint in the body (10) for vacuum filtration.

Please refer to the circuit diagram in the preparation state as shown in Fig. 5. It can be seen that the vacuum generating solenoid valve (20), the vacuum generating two-position two-position valve (21), the vacuum breaking solenoid valve (30), and The vacuum destruction two-position two-position valve (31) is in a state of being closed and not activated.

Please refer to the figure 6~8, which is created in the vacuum generation state. When the air pressure source (12) inputs compressed air, the vacuum valve (20) is generated by the vacuum, and the vacuum will be pushed two times. The position valve (21) is opened to flow into the inlet chamber (50), and then passes through the two vacuum generators (60) provided in the present creation through the suction chamber (51) and the exhaust chamber (52), and finally passes The discharge port (14) provided by the muffler (521) is discharged, and when the vacuum pressure switch (40) detects the predetermined target through the suction chamber (51), the suction port (13) is to be used by the body (10). Externally inhaling atmospheric pressure, which flows through the flow passage (15) through the check valve (151) into the suction chamber (51), thereby allowing the suction port (13) to generate vacuum suction, and the inverse The stop valve (151) is set to two pieces in this creation, but the number is not limited;

Please refer to the figure 9 to 10, which is created in the vacuum holding state. When the vacuum state is detected by the vacuum pressure switch (40) to reach the preset target of the vacuum degree, the vacuum occurs two places. The valve (21) will be changed from open to closed, and the vacuum generating solenoid valve (20) will also be turned off, and the vacuum suction in the flow passage (15) will be closed by the check valve (151), allowing the suction port to be closed. (13) The state of sucking the workpiece can still be maintained, so that the compressed air does not have to be continuously supplied to maintain the vacuum, thereby achieving the purpose of saving energy;

Referring again to Figures 11 to 13, the creation is in a vacuum-destroyed state. When the vacuum holding state needs to be broken, the compressed air will force the vacuum to destroy the solenoid valve (30). The two-position valve (31) is opened to the inlet chamber (50) and the flow passage (15), and is respectively discharged from the suction port (13) and the discharge port (14), thereby releasing the vacuum destruction state;

In summary, the present large-capacity vacuum control device mainly connects the two vacuum generators (60) in parallel through the inside of the body (10), so that the flow rate of the suction port (13) is increased, and the utilization is utilized. The vacuum generating solenoid valve (20) cooperates with the vacuum generating two-position two-position valve (21), and the vacuum breaking electromagnetic valve (30) cooperates with the vacuum breaking two-port two-position valve (31) to form two sets of circuits respectively controlling vacuum generation. And the destruction, in order to obtain the effect of vacuum energy saving, the suction port (13) can be used to adsorb the workpiece, and it is possible to maintain a certain time for the corresponding action without continuously inputting a large amount of compressed air.

(10) ‧‧‧ Ontology  (11) ‧ ‧ control air chamber  (12) ‧‧‧Pneumatic source  (13)‧‧‧ Inhalation  (131)‧‧‧Vacuum filter  (14)‧‧‧Export  (15)‧‧‧Runner  (151)‧‧‧Check valve  (20)‧‧‧Vacuum generating solenoid valve  (21) ‧‧‧Two-position two-position valve in vacuum  (30)‧‧‧Vacuum damage solenoid valve  (31)‧‧‧Vacuum damage two-position two-position valve  (40)‧‧‧Vacuum pressure switch  (41)‧‧‧vacuum signal  (50) ‧‧‧Intake room  (51)‧‧‧Intake chamber  (52)‧‧‧Exhaust chamber  (521)‧‧‧Muffler  (60)‧‧‧ Vacuum generator  (90)‧‧‧ Vacuum generator  (91) ‧‧‧Pneumatic source  (92)‧‧‧ Inhalation  (93)‧‧‧Export  (94) ‧‧‧Nozzles  

[Fig. 1] is a perspective view of the creation.  [Fig. 2] is a schematic cross-sectional view taken along line A-A of the preparation state shown in Fig. 1.  [Fig. 3] is a schematic cross-sectional view of the B-B created in the state of preparation of Fig. 1.  [Fig. 4] is a schematic cross-sectional view of the C-C in the state of preparation prepared in Fig. 1.  [Fig. 5] is a schematic diagram of the circuit in which the creation is in a ready state.  [Fig. 6] is a schematic cross-sectional view showing the state in which vacuum is generated.  [Fig. 7] is a schematic cross-sectional view of the creation of a vacuum.  [Fig. 8] is a schematic diagram of a circuit created in a vacuum state.  [Fig. 9] is a schematic cross-sectional view of the creation in a vacuum holding state.  [Fig. 10] is a schematic diagram of a circuit created in a vacuum holding state.  [Fig. 11] is a schematic cross-sectional view of the creation in a state of vacuum destruction.  [Fig. 12] is a schematic cross-sectional view of the creation in a vacuum-destroyed state.  [Fig. 13] is a schematic diagram of a circuit created in a vacuum-destroyed state.  [Fig. 14] is a schematic diagram of a conventional technique.  

Claims (2)

A large-capacity vacuum control device comprises: a body (10) having a control chamber (11) for a vacuum to generate a two-position two-position valve (21) and a vacuum destruction two-position two-position valve (31) setting And the air control chamber (11) is connected to a vacuum generating solenoid valve (20) disposed outside the body (10) and a vacuum breaking solenoid valve (30), and a pneumatic source (12) is connected to the air control chamber (11) An intake chamber (50) in the body (10), and a suction port (13) and a vacuum pressure switch (40) are connected to the first-class channel (15) in the body (10) to cooperate with a check valve (151) to a suction chamber (51), the side wall of the inlet chamber (50) is provided with a vacuum generator (60) extending through a suction chamber (51) and an exhaust chamber (52), the exhaust chamber (52) further comprising a muffler (521) forming a discharge port (14), wherein the vacuum generator (60) is connected in parallel to increase the flow rate of the suction port (13), and the vacuum generating solenoid valve (20) is utilized The vacuum break solenoid valve (30) individually controls the occurrence and destruction of vacuum. The large-capacity vacuum control device according to claim 1, wherein the body (10) further comprises: a vacuum filter (131) disposed in the suction port (13) and the body (10) Connection.